Home / 393,043.11-589,535.50-140,294.76

Finding the Fourth Proportional to 393,043.11, 589,535.50 and 140,294.76

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Solution

The fourth proportional to 393,043.11, 589,535.50 and 140,294.76 is: 210,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,043.11 : 589,535.50 = 140,294.76 : x
  2. Step 2: Convert to fraction form
    393,043.11/589,535.50 = 140,294.76/x
  3. Step 3: Cross multiply
    393,043.11x = 589,535.50 × 140,294.76
  4. Step 4: Simplify right side
    393,043.11x = 82,708,741,483.98
  5. Step 5: Solve for x
    x = 82,708,741,483.98/393,043.11
  6. Step 6: Final answer
    x = 210,431.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.